Home / 19,095.90-28,643.85-12,875.10

Finding the Fourth Proportional to 19,095.90, 28,643.85 and 12,875.10

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Solution

The fourth proportional to 19,095.90, 28,643.85 and 12,875.10 is: 19,312.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,095.90 : 28,643.85 = 12,875.10 : x
  2. Step 2: Convert to fraction form
    19,095.90/28,643.85 = 12,875.10/x
  3. Step 3: Cross multiply
    19,095.90x = 28,643.85 × 12,875.10
  4. Step 4: Simplify right side
    19,095.90x = 368,792,433.14
  5. Step 5: Solve for x
    x = 368,792,433.14/19,095.90
  6. Step 6: Final answer
    x = 19,312.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.